The two actors will costar as love interests Grace and Noah on the new season of "Will & Grace," which airs on NBC on Thursday, at 9 p.m. ET.

"He is a blogger, so he is as far away from Ross Geller as you can possibly get," Debra Messing, who's promoting her partnership with Colgate Optic White, told INSIDER of Schwimmer's character.

"Friends" star David Schwimmer will appear as a recurring character on the new season of NBC's "Will & Grace," but don't expect him to bear any resemblance to Ross Geller.

"He is a blogger, so he is as far away from Ross Geller as you can possibly get," Debra Messing, who's promoting her partnership with Colgate Optic White, told INSIDER.

Messing stars as Grace Adler on "Will & Grace," which ran from 1998 to 2006 and returned to TV in 2017. Schwimmer — who is known for his role as paleontologist Ross on "Friends," which aired from 1994 to 2004 — joins season two of the "Will & Grace" revival as Messing's new love interest.

"[Schwimmer] is so amazing, and Noah, the character he's playing, is known as the 'West Side Curmudgeon,'" Messing said.

The 50-year-old actress went on to say that having Schwimmer work alongside her "is really fun." Despite being a newcomer to a tight-knit cast that includes Messing, Eric McCormack, Megan Mullally, and Sean Hayes, Schwimmer easily fit in.

"It felt very effortless, from my point of view," Messing said. "He had been away from doing sitcoms for, I think, 14 years, so at the very beginning, he had the same reaction that the four of us had last year, where we were like, 'Oh, my God, I can't believe I'm doing this again.'"

The actress added that, because she and Schwimmer come from similar acting backgrounds, they hit things off.

"Very quickly — it's like riding a bike, and he and I have a really good chemistry, and we have similar vocabularies because we both started out in the theater," she said. "There's a certain work ethic that comes along with, so I feel like we really were able to trust each other very quickly."

In addition to Schwimmer, the upcoming season of the sitcom will include guest appearances from Adam Rippon, Jon Cryer, Matt Bomer, Chelsea Handler, and Alec Baldwin.

Season two of the "Will & Grace" revival (and the 10th season overall) premieres on Thursday at 9 p.m. ET on NBC.